Elif ÇOMAK, Sema AKMAN, Çağla Serpil DOĞAN, Mustafa KOYUN, Arife USLU GÖKÇEOĞLU, & Sabahat ÖZDEM2. (2014). Vitamin D Levels and Disease Activity in Children with Systemic Lupus Erythematosus. Archives of Rheumatology, 29(1), 047–052. https://doi.org/10.5606/tjr.2014.3225